https://infectagentscancer.biomedcentral.com/articles/10.1186/s13027-015-0032-y https://infectagentscancer.biomedcentral.com/articles/10.1186/s13027-015-0030-0 https://infectagentscancer.biomedcentral.com/articles/10.1186/s13027-015-0031-z https://infectagentscancer.biomedcentral.com/articles/10.1186/s13027-015-0029-6 https://infectagentscancer.biomedcentral.com/articles/10.1186/s13027-015-0035-8